Folding tray



FIG. 1 is a perspective view of a folding tray showing my new design, in the folded position;

FIG. 2 is a perspective view thereof, in a partially folded position;

FIG. 3 is a perspective view thereof, in the unfolded position;

FIG. 4 is a top view thereof;

FIG. 5 is a top view thereof, in the folded position;

FIG. 6 is a bottom view thereof, in the unfolded position; and,

FIG. 7 is a side view thereof. 

The ornamental design for a folding tray, as shown and described. 